Lactase Enzymes Quiz

What is the role of lactase in dairy production?

• To increase the fat content of milk

• To add flavor to dairy products

• To break down lactose into simpler sugars

• To remove calcium from milk

What is the substrate in the enzymatic reaction involving lactase?

• Glucose

• Galactose

• Lactose

• Enzyme

Which of the following best describes the result of lactase action on milk?

• The milk spoils faster

• The milk becomes lactose-free

• The milk becomes plant-based

• The milk loses nutritional value

Which transport method helps the body absorb glucose and galactose?

• Active transport

• Passive transport

• Osmosis

• Diffusion only

What kind of bonds help maintain the shape of lactase’s active site?

• Hydrogen and peptide bonds

• Disulfide and ester bonds

• Covalent and ionic bonds

• Carbon and nitrogen bonds

The ________________ is formed when lactose binds to lactase.

Most industrial lactase is produced from _______________ like fungi or yeast.

An _______________ site is a region on the enzyme that can change its activity.

Explain why lactase-treated dairy is more sustainable than older processing methods.

Describe two advantages and two disadvantages of using lactase in the dairy industry.